CN218913509U - Lightweight flange plate for baha racing car - Google Patents

Abstract

The utility model relates to a lightweight flange plate used for Baja racing cars, the flange plate includes a hollow cylinder and wheel hub mounting seats and brake disc mounting seats respectively arranged on the outer walls of both ends of the hollow cylinder; the hollow The center of the cylinder is a bearing chamber for installing bearings, the hub mounting base is provided with bolt holes for connecting and fixing with the hub, and the brake disc mounting base is provided with positioning holes for connecting and fixing with the brake disc. Holes, weight-reducing holes in hub mounts and brake disc mounts. The utility model is used for the lightweight flange of the Baja racing car. By setting the weight-reducing holes on the hub mounting seat and the brake disc mounting seat on the flange, it not only ensures that the strength of the flange meets the requirements, The weight of the flange is also reduced, which makes the car more controllable when driving on an off-road track, and can meet the lightweight requirements of the Baja racing car. At the same time, the weight-reducing holes help the heat dissipation of the flange.

Description

A Lightweight Flange for Baja Racing

technical field

The utility model relates to the technical field of auto parts, in particular to a lightweight flange used for Baja racing cars.

Background technique

The flange is an important component that connects the hub rim with the brake and the steering knuckle, and is also an important part of the vehicle suspension. The working environment of Baja off-road racing car is mostly muddy and bumpy outdoor environment, so the strength of components and the handling performance of the vehicle are very important. Some teams pursue strength without considering light weight, which makes the vehicle heavier and affects handling; or excessive pursuit of light weight makes the strength insufficient and causes component damage.

Utility model content

The purpose of this utility model is to provide a lightweight flange used for Baja racing cars. The lightweight flange not only ensures the strength requirements of the flange, but also reduces the weight of the flange, which can meet the Lightweight requirements of racing cars.

The purpose of this utility model can be achieved through the following technical solutions: a lightweight flange for Baja racing cars, the flange includes a hollow cylinder and hub mounting seats and manufacturing Moving disk mounting seat; the center of the hollow cylinder is a bearing chamber for installing bearings, the hub mounting seat is provided with bolt holes for connecting and fixing with the hub, and the brake disc mounting seat is provided with a For the positioning hole connected and fixed with the brake disc, the wheel hub mounting seat and the brake disc mounting seat are provided with weight-reducing holes.

Further, the bearing chamber is provided with two bearing assembly positions, the structure of the bearing assembly positions is adapted to the bearing, and the bearing is adapted to the gear train shaft.

Further, the outer edge of the hub mounting seat is petal-shaped.

Furthermore, the outer edge of the hub mounting seat is evenly provided with a plurality of inwardly recessed grooves, and the bolt holes are arranged on the protrusions between adjacent grooves; wherein, the recesses of the grooves The degree can be adjusted according to the actual strength requirement. As the concave degree of the groove increases, the light weight of the flange increases.

Furthermore, the lightening hole is arranged between the bolt hole and the outer wall of the hollow cylinder.

Furthermore, the weight-reducing hole on the hub mounting seat is approximately a rounded rectangle, wherein the long side of the approximately rounded rectangle is an arc concentric with the hollow cylinder, and the radius of the arc near the inner side of the hollow cylinder is the same as that of the hollow cylinder. have the same outer diameter, and the approximate rounded rectangle is symmetrical to the polyline along the long side.

Further, the outer edge of the hub mounting base is uniformly provided with four inwardly concave grooves, the grooves are centrally symmetrical, and the four raised parts between adjacent grooves are centrally symmetrical , the bolt holes are arranged on the protrusions between adjacent grooves, and the bolt holes are distributed in a cross, matching with the mounting holes of the wheel hub.

Furthermore, the area of the four lightening holes is 15%-16% of the area of the end surface of the hub mounting seat.

Further, the brake disc mounting seat is circular.

Furthermore, semicircular positioning holes are evenly provided on the outer edge of the annular brake disc mounting seat.

Furthermore, the lightening holes are arranged between adjacent semicircular positioning holes.

Further, the weight-reducing hole on the brake disc mounting seat is approximately rounded rectangle, wherein, the long side of approximately rounded rectangle is an arc concentric with the hollow cylinder, and the radius of the arc near the inner side of the hollow cylinder is in line with the hollow The outer diameters of the cylinders are the same, and the short side is a semicircular arc symmetrical to the broken line along the long side.

Furthermore, six semicircular positioning holes are evenly provided on the outer edge of the circular brake disc mounting seat, and a weight-reducing hole is provided between adjacent semicircular positioning holes. The semicircular positioning holes of the brake discs are matched with the holes of the brake disc.

Furthermore, the area of the six lightening holes is 19%-21% of the end surface area of the brake disc mounting seat.

Compared with the prior art, the utility model has the following advantages:

1. The utility model is a lightweight flange used for Baja racing cars. The flange includes a hollow cylinder and hub mounting seats and brake disc mounting seats respectively arranged on the outer walls of both ends of the hollow cylinder. The method of setting weight-reducing holes on the hub mounting seat and the brake disc mounting seat on the flange not only ensures that the strength of the flange meets the requirements, but also reduces the weight of the flange, which can meet the lightweight requirements of the Baja racing car , while the weight-reducing holes help the flange dissipate heat;

2. The lightweight flange of the utility model used in Baja racing cars is light in weight, which makes the racing cars more controllable when running on off-road tracks.

Description of drawings

Fig. 1 is the structural schematic diagram of the wheel hub mounting seat in the lightweight flange of the present invention;

Fig. 2 is a structural schematic diagram of the brake disc mounting seat in the lightweight flange of the present invention;

Fig. 3 is the front view of the utility model lightweight flange;

Fig. 4 is the left view of the utility model lightweight flange;

Fig. 5 is a schematic diagram of the installation structure of the utility model lightweight flange and bearing;

Fig. 6 is a structural schematic diagram of a bearing adapted to the lightweight flange of the present invention;

Fig. 7 is a schematic diagram of the installation structure of the utility model lightweight flange plate, bearing and wheel train shaft;

Fig. 8 is a structural schematic diagram of a gear train shaft adapted to a bearing;

Fig. 9 is a schematic diagram of the installation structure of the lightweight flange and the hub of the utility model;

Fig. 10 is a structural schematic diagram of a wheel hub adapted to the lightweight flange of the present invention;

Figure 11 is a schematic diagram of the installation structure of the lightweight flange and the brake disc of the present invention;

Fig. 12 is a structural schematic diagram of a brake disc adapted to the lightweight flange of the present invention;

Fig. 13 is the general assembly drawing of the lightweight flange of the present invention;

Fig. 14 is a schematic diagram of the static analysis results of the lightweight flange of the present invention.

Figure 15 is a schematic diagram of the static analysis results of the lightweight front flange;

The marks in the figure are: 1: hollow cylinder; 11: bearing chamber; 2: hub mount; 21: bolt hole; 3: brake disc mount; 31: positioning hole; 4: weight reduction hole.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

Example 1

Referring to Figures 1-4, a lightweight flange used for a Baja racing car includes a hollow cylinder 1 and hub mounts 2 and brake disc mounts 3 respectively arranged on the outer walls of both ends of the hollow cylinder 1; The center of the hollow cylinder 1 is a bearing chamber 11 for installing bearings, and the bearing chamber 11 is provided with a bearing assembly position; the outer edge of the hub mounting seat 2 is petal-shaped, and the hub mounting seat 2 The outer edge is evenly provided with a plurality of inward concave grooves, the bolt holes 21 for connecting and fixing with the hub are arranged on the protrusions between adjacent grooves, and the weight reducing holes 4 are arranged on the Between the bolt hole 21 and the outer wall of the hollow cylinder 1; the brake disc mounting seat 3 is annular, and the outer edge of the annular brake disc mounting seat 3 is uniformly provided for connecting with the brake disc. Fixed semicircular positioning holes 31 , the weight reducing holes 4 are arranged between adjacent semicircular positioning holes 31 .

Example 2

Referring to Figures 1-4, a lightweight flange used for a Baja racing car includes a hollow cylinder 1 and hub mounts 2 and brake disc mounts 3 respectively arranged on the outer walls of both ends of the hollow cylinder 1; The outer edge of the wheel hub mounting seat 2 is evenly provided with four inwardly recessed grooves, the grooves are centrally symmetrical, and the four raised parts between adjacent grooves are centrally symmetrical, and the described grooves are center-symmetrical. The bolt holes 21 connected and fixed to the hub are arranged on the protrusions between adjacent grooves, and the bolt holes 21 are distributed in a cross; the outer edge of the circular brake disc mounting seat 3 is evenly provided with 6 A semicircular positioning hole 31 is used for connecting and fixing the brake disc, and a weight-reducing hole 4 is provided between adjacent semicircular positioning holes 31 .

Perform static analysis on the above-mentioned lightweight flange and the flange before lightweight in Workbench, add constraints to the bearing chamber 11, and apply a load on the side of the bolt hole 21, and the load value is taken as Baja Racing Leap In the extreme case of landing, the single wheel has the maximum load and is appropriately amplified, and the braking torque is applied at the brake disc mounting seat 3 . After solving, the cloud diagrams of equivalent stress and safety factor are obtained, see Figs. 14 and 15. The results show that in this extreme case, the minimum safety factor of the lightweight flange is 1.167, and the structure is safe. Therefore, the strength of the lightweight flange meets the use requirements.

Figure 5-13 is a schematic diagram of the assembly of the light-weight flange used in the Baja racing car of the present invention and the matching bearings, hubs, brake discs and wheel train shafts, wherein the bearings are installed in the light-weight flange bearing chamber 11 On the bearing assembly position in the center, the wheel train shaft is installed on the bearing; the wheel hub is provided with a bolt hole at the position corresponding to the bolt hole 21 on the hub mounting seat 2 of the lightweight flange, and the wheel hub and the lightweight flange The hub mounting seat 2 of the wheel hub is fixedly connected in the bolt holes of the two parts through bolts; the brake disc is provided with a positioning hole at a position corresponding to the positioning hole 31 on the brake disc mounting seat 3, and the brake disc is set on the On the brake disc mounting seat 3, after aligning the positioning holes on the two components, a hollow rivet is passed through the positioning holes so that the brake disc is fixedly connected to the brake disc mounting seat 3.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it It is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features, but these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present invention and range.

Claims (10)

1. A lightweight flange for a Baja racing car, characterized in that it comprises a hollow cylinder (1) and a hub mount (2) and a brake disc that are respectively arranged on the outer walls of the two ends of the hollow cylinder (1) Mounting seat (3); the center of the hollow cylinder (1) is a bearing chamber (11) for installing bearings, and the hub mounting seat (2) is provided with bolt holes (21) for connecting and fixing with the hub ), the brake disc mounting seat (3) is provided with a positioning hole (31) for connecting and fixing the brake disc, and the hub mounting seat (2) and the brake disc mounting seat (3) are provided with reducing Heavy hole (4). 2. A lightweight flange for a Baja racing car according to claim 1, characterized in that a bearing assembly position is provided in the bearing chamber (11). 3. A lightweight flange for a Baja racing car according to claim 1, characterized in that the outer edge of the hub mounting seat (2) is petal-shaped. 4. A light-weight flange used for Baja racing cars according to claim 3, characterized in that, the outer edge of the hub mount (2) is evenly provided with a plurality of inwardly concave recesses grooves, and the bolt holes (21) are arranged on the protrusions between adjacent grooves. 5. A lightweight flange used for Baja racing cars according to claim 3, characterized in that, said lightening holes (4) are arranged between the bolt holes (21) and the outer wall of the hollow cylinder (1) between. 6. A light-weight flange used for Baja racing cars according to claim 3, characterized in that, the outer edge of the hub mount (2) is evenly provided with four inwardly concave recesses Groove, described groove is centrally symmetrical, and 4 convex parts between adjacent grooves are centrally symmetrical, and described bolt hole (21) is arranged on the protrusion between adjacent groove, and bolt hole (21) is a cross distribution. 7. A lightweight flange for a Baja racing car according to claim 1, characterized in that the brake disc mounting seat (3) is circular. 8. A light-weight flange used for Baja racing cars according to claim 7, characterized in that, the outer edge of the annular brake disc mounting seat (3) is evenly provided with a semicircle shaped positioning hole (31). 9. A lightweight flange for a Baja racing car according to claim 8, characterized in that, said lightening holes (4) are arranged between adjacent positioning holes (31). 10. A kind of lightweight flange for Baja racing car according to claim 9, characterized in that, the outer edge of the annular brake disc mount (3) is evenly provided with 6 A semicircular positioning hole (31), is provided with a lightening hole (4) between adjacent positioning holes (31).

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